<?php
/**
 * Piwik - Open source web analytics
 * 
 * @link http://piwik.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 * 
 * @category Piwik
 * @package Piwik
 */

/**
 * Post-update view
 *
 * During a Piwik software update, there will be instances of old classes
 * loaded in memory.  This is problematic as we will start to instantiate
 * new classes which may not be backward compatible.  This class provides
 * a clean bridge/transition by forcing a new request.
 *
 * This class needs to be self-contained, with no external dependencies.
 *
 * @package Piwik
 */
class Piwik_View_OneClickDone
{
	/**
	 * @var string
	 */
	private $tokenAuth;

	/**
	 * @var string
	 */
	public $coreError;

	/**
	 * @var array
	 */
	public $feedbackMessages;

	public function __construct($tokenAuth)
	{
		$this->tokenAuth = $tokenAuth;
	}

	/**
	 * Outputs the data.
	 *
	 * @return string  html
	 */
	public function render()
	{
		// set response headers
		@header('Content-Type: text/html; charset=UTF-8');
		@header('Pragma: ');
		@header('Expires: ');
		@header('Cache-Control: must-revalidate');
		@header('X-Frame-Options: deny');

		$error = htmlspecialchars($this->coreError, ENT_QUOTES, 'UTF-8');
		$messages = htmlspecialchars(serialize($this->feedbackMessages), ENT_QUOTES, 'UTF-8');
		$tokenAuth = $this->tokenAuth;

		// use a heredoc instead of an external file
		echo <<<END_OF_TEMPLATE
<!DOCTYPE html>
<html>
 <head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <meta charset="utf-8" />
  <title></title>
 </head>
 <body>
  <form name="myform" method="post" action="?module=CoreUpdater&amp;action=oneClickResults">
   <input type="hidden" name="token_auth" value="$tokenAuth" />
   <input type="hidden" name="error" value="$error" />
   <input type="hidden" name="messages" value="$messages" />
   <noscript>
    <button type="submit">Continue</button>
   </noscript>
  </form>
  <script type="text/javascript">
   document.myform.submit();
  </script>
 </body>
</html>
END_OF_TEMPLATE;
	}
}
